Eating Stinging Nettles.

[Major Starbold]

A old country Guardsman mate of mine, quite a bit older than I used to pick the tops from young nettles, cook them with his dinner instead of cabbage.

World Stinging Nettle Eating Championship attracts record crowd - Telegraph

A record crowd turned out to watch the World Stinging Nettle Eating championships. The Sunday Telegraph went along, to witness the competitors' agony.

Published: 8:15AM BST 14 Jun 2009
Simon Slee; World Stinging Nettle Eating Championship attracts record crowd

In a sunny garden in deepest Dorset yesterday 65 people – their faces rigid with pain and disgust – gathered in a quest to be crowned the King of the Stingers.

[Hutchybee]

There is a thread about this from last year. Might try and find it....

[Chippychap]

I think that if you cook 'em then the sting goes.
As for the demi-wits taking part in the competition, they want lockin' up.